Dog collar



FIG. 1 is a top, front, right perspective view of a dog collar showing the new design.

FIG. 2 is a front view thereof.

FIG. 3 is a rear view thereof.

FIG. 4 is a right side view thereof.

FIG. 5 is a left side view thereof.

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a top, rear, right perspective view of the dog collar-shown in use.

The short dashed broken lines shown in all figures depict portions of the dog collar. The long dashed lines in FIGS. 1, 4, 6, and 8 depict stitching. The dashed lines in FIG. 8 showing a dog depict environmental subject matter. The broken lines form no part of the claimed design. 

CLAIM The ornamental design for a dog collar, as shown and described. 